Plastic rolling bag in the city each big supermarket vegetables, fruit, meat, sugar, aquatic products, food in bulk area will be provided free of charge, most people will be based on a purchased product weight and pick the bag size. In the plastic rolling bag with the final procedure that sealing, the reporter found that each supermarket sealing range throughout the bag from far away, a split packaging bags will be damaged and greatly reduce the plastic rolling bag recycling use. In contrast, adhesive tape sealing plastic bags are easy to open, so do not affect the use of plastic bags. In addition, the staff of the supermarket in the seal, range from the mouth of the far, card in the upper bag, tore the wrapping together tear range is too large, the impact of the bag recycling use and plastic rolling bag is difficult to be degraded, they added a pollution to the environment. This supermarket staff show that there is no special provisions of the sealing of the orientation, for customers to promote the promotion of thinking, will seal the azimuth down some.